Answer / sibananda jena

For starting the engine, and for excitation voltage for the
alternator.

Answer / abhishek

main alternator excitation voltage supplied after rectifying
another small alternator voltage. This small alternator excitor
voltage is supplied by battery.

why transformers not work at d.c.-

3 Answers  

---

how much capacity(rating) of generator required to operate a load of 100kv.

6 Answers   DSC,

---

how water and air molecules are conduct the heat?

1 Answers  

---

What is the difference between EXE and EXD

1 Answers  

---

describe your self.

2 Answers   Amazon, Bechtel,

---

What do you mean by cold shinkable cable joint.How it is done.

0 Answers  

---

what is the difference between Resistance VS capacitance

2 Answers   Jindal,

---

How much amperes needed for starting of 4HP motor?

1 Answers   CM Smith Sons,

---

What is the secondry voltage of 420kV Current Transformer , the rated current is 2600A

6 Answers  

---

how to select energy meter? have any calculation?

0 Answers  

---

what is the slip of synchronous motor

1 Answers  

---

what is power system transient condition

1 Answers  

---